HENG KAI DEVELOPMENT LIMITED

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HongKong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Energy efficient furnace with coaxial segmented center hearth and m...
- Patent number 9,360,256
- Issue date Jun 7, 2016
- Heng Kai Development Limited
- Hengjie Li
- F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

Information Patent Application
Energy Efficient Furnace with Coaxial Segmented Center Hearth and M...
- Publication number 20140127636
- Publication date May 8, 2014
- HENG KAI DEVELOPMENT LIMITED
- Hengjie Li
- F27 - FURNACES KILNS OVENS RETORTS

Trademarklast 30 trademarks